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Hydro Crete

Solvent Based Oligomeric Siloxane Water Repellent Product

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Dubond’s Hydro Crete is an acrylic emulsion which when added to cement mortar / concrete / grout provides good adhesion, water resistance and improvement of other properties. It is available in form of a milky liquid.

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Areas of Application

Hydro Crete is a high quality emulsion that substantially increases the quality of cement mortars /concrete /grout for :

Rendering and coating

Jointing

Repair and adhesive mortar

Roof finishing

Bonding of concrete casts

Tiling

Waterproof rendering

Cement injection mix

Features & Benefits

Extremely Good Adhesion

Reduced Shrinkage

Greater Elasticity

Excellent Oil and Water Resistance

Increased Abrasion Resistance

Improved Chemical Resistance

Improved UV Resistance

Method of Application

  • Concrete surfaces should be sound and clean, free from oil, grease, cement laitance & loosely adhering particles
  • Absorbent surfaces should be saturated thoroughly with water but without showing any puddle on their surfaces.

Application Instructions

Mixing : Mixing of diluted Hydro Crete to cement mortar / concrete should preferably be done manually. When a concrete mixer is used, pour the mortar as soon as its consistency is cohesive. Do not run the mixer too long.

Application Method / Tools

Bond Coating

Prepare the base as indicated above. Apply cement based primer by using Hydro Crete : Water = 1: 4 by volume in order to obtain a thin layer. When the primer coat is still fresh and sticky apply mortar made out of Hydrocrete & water combination.

Cleaning of Tools

Clean all tools and application equipment with water immediately after use. Hardened / cured material can only be removed mechanically.

Masonry Jointing

Prepare the base as indicated above. Make a firm mortar with fine sand & cement using Hydro Crete : Water = 1: 8. Impregnate the area with primer coat as above. While the primer is wet, apply the mortar and immediately finish or reshape the surface as required.

Curing Treatment

Ensure that freshly applied mortars, renders, floor toppings, etc, are adequately protected from the drying effect of wind, sun and high temperatures. Adopt a curing regime appropriate to the application such as water mist, wet hessian, plastic sheeting,curing membranes. Prepare the base as indicated above. Apply cement based primer by using Hydro Crete : Water = 1: 4 by volume in order to obtain a thin layer. When the primer coat is still fresh and sticky apply mortar made out of Hydrocrete & water combination.

Waterproof Plaster

Dilute Hydro Crete with water in the proportion of 1: 6 by volume. Prepare the mortar with this gauging mortar. Cured Plaster with Hydro Crete would harden faster and would be watertight.

Masonry Jointing

  • Prepare the base as indicated above. Make a firm mortar with fine sand & cement using Hydro Crete : Water = 1: 8
  • Impregnate the area with primer coat as above. While the primer is wet, apply the mortar and immediately finish or reshape the surface as required
  • Waterproof Plaster : Dilute Hydro Crete with water in the proportion of 1: 6 by volume
  • Prepare the mortar with this gauging mortar. Cured Plaster with Hydro Crete would harden faster and would be watertight
  • Bonding Successive Concrete Casts : Wash the surface with high-pressure jet
  • Prepare a pasty mortar with Hydro Crete: Water = 1: 8 by volume. Apply this mortar onto the surface in a layer of 23 – 30 mm thickness
  • Pour fresh concrete after about an hour. Vibrate carefully to achieve satisfactory interpenetration of mortar and concrete
  • On substrates which are wet, Subject to moisture rising or in continuous contact with water. Do not use the adhesive to correct substrate irregularities greater than 10 mm
  • Polymer Modified Cement Grout for Injection : Open the crack lines into V and U groove and fix galvanized iron nozzles spaced at regular intervals of 0.5 to 1.5 mm c/c along groove length with Hydro Crete or HYDROBUILD SBR
  • Prepare a cement grout slurry admixed with Hydro Crete at dilution rate of 1: 4 to 1: 8 by volume with water
  • Inject the fluid as per normal

Bonding Successive Concrete Casts

Wash the surface with high-pressure jet. Prepare a pasty mortar with Hydro Crete: Water = 1: 8 by volume. Apply this mortar onto the surface in a layer of 23 – 30 mm thickness. Pour fresh concrete after about an hour. Vibrate carefully to achieve satisfactory interpenetration of mortar and concrete.

Cleaning of Tools

Clean all tools and application equipment with water immediately after use. Hardened / cured material can only be removed mechanically.

Polymer Modified Cement Grout for Injection :

Open the crack lines into V and U groove and fix galvanized iron nozzles spaced at regular intervals of 0.5 to 1.5 mm c/c along groove length with Hydro Crete or HYDROBUILD SBR. Prepare a cement grout slurry admixed with Hydro Crete at dilution rate of 1: 4 to 1: 8 by volume with water. Inject the fluid as per normal.

Curing Treatment

Ensure that freshly applied mortars, renders, floor toppings, etc, are adequately protected from the drying effect of wind, sun and high temperatures. Adopt a curing regime appropriate to the application such as water mist, wet hessian, plastic sheeting, curing membranes.

Other Information

Packing

1ltr, 5 ltr & 20 ltr container.

Shelf Life & Storage

12 months from date of production if stored in undamaged & unopened, original sealed packaging, in dry conditions & protected from direct sunlight. Protect from frost.

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